32153869225 has 9 divisors (see below), whose sum is σ = 39871909623. Its totient is φ = 25722378120.

The previous prime is 32153869211. The next prime is 32153869303. The reversal of 32153869225 is 52296835123.

It is a happy number.

The square root of 32153869225 is 179315.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11575392921 + 20578476304 = 107589^2 + 143452^2 .

It is not a de Polignac number, because 32153869225 - 2¹¹ = 32153867177 is a prime.

It is a super-2 number, since 2×32153869225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 878644 + ... + 914506.

Almost surely, 2^32153869225 is an apocalyptic number.

32153869225 is the 179315-th square number.

32153869225 is the 89658-th centered octagonal number.

It is an amenable number.

32153869225 is a deficient number, since it is larger than the sum of its proper divisors (7718040398).

32153869225 is an frugal number, since it uses more digits than its factorization.

32153869225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71736 (or 35868 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 32153869225 in words is "thirty-two billion, one hundred fifty-three million, eight hundred sixty-nine thousand, two hundred twenty-five".